Abstract
1-Chloromethyl-1,2,3,4,5,6-hexamethylbenzenonium tetrachloroaluminate is investigated in an X-ray diffraction study. The crystals are monoclinic: a=8.910(2), b=12.290(3), c=17.654(4) Å, β=111.57(2)°, space group P21/c. The AlCl −4 anion has an almost perfect tetrahedral configuration; the average length of the Al−Cl bond is 2.130(3) Å. For cations, the symmetry is close to Cs. The C(2)−C(6) atoms lie in a plane (within ±0.012(5) Å), and the C(1) atom deviates from the plane by 0.113(5) Å to the side that is opposite to the CH2Cl group. Effects of the environment, as well as the effect of the nature of the R group, on the structure of 1-R-1,2,3,4,5,6-hexamethylbenzenonium are considered.
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Additional information
For the preliminary communication, see [1].
Novosibirsk Institute of Organic Chemistry, Siberian Branch, Russian Academy of Sciences. Translated fromZhurnal Strukturnoi Khimii, Vol. 37, No. 3, pp. 534–538, May–June, 1996.
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Borodkin, G.I., Gatilov, Y.V., Nagy, S.M. et al. Comparative studies of the molecular structure of 1-R-1,2,3,4,5,6-hexamethylbenzenonium ions: Molecular and crystal structure of 1-chloromethyl-1,2,3,4,5,6-hexamethylbenzenonium tetrachloroaluminate. J Struct Chem 37, 464–469 (1996). https://doi.org/10.1007/BF02578602
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DOI: https://doi.org/10.1007/BF02578602